Finding the Fourth Proportional to 9,401.82, 12,975.03 and 5,209.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.82 : 12,975.03 = 5,209.98 : x
2. Step 2: Convert to fraction form
   9,401.82/12,975.03 = 5,209.98/x
3. Step 3: Cross multiply
   9,401.82x = 12,975.03 × 5,209.98
4. Step 4: Simplify right side
   9,401.82x = 67,599,646.80
5. Step 5: Solve for x
   x = 67,599,646.80/9,401.82
6. Step 6: Final answer
   x = 7,190.06